EP 0559369 A3 19950125 -
Publication
Application
Priority
GB 9204300 A 19920228
Abstract (en)
[origin: EP0559369A2] A method of upgrading software for a distributed call processing system in a telecommunications network, involves a script corresponding to a software version having an associated active time, the script being sent to each site within the network, together with the active time, and being made available for execution at each site by the active time, a call when initiated being given a timestamp which includes the start time of the call and at each site participating in the call transaction the version of the script executed is the version having the greatest active time less than or equal to the call start time.
IPC 1-7
IPC 8 full level
G06F 9/445 (2006.01); H04L 29/06 (2006.01); H04M 3/00 (2006.01); H04Q 3/00 (2006.01); H04Q 3/545 (2006.01)
CPC (source: EP)
G06F 8/656 (2018.01); H04L 9/40 (2022.05); H04Q 3/0029 (2013.01); H04Q 3/54516 (2013.01); H04Q 2213/1305 (2013.01); H04Q 2213/13109 (2013.01); H04Q 2213/13376 (2013.01); H04Q 2213/13535 (2013.01)
Citation (search report)
- [A] EP 0463251 A1 19920102 - IBM [US]
- [A] US 4558413 A 19851210 - SCHMIDT ERIC E [US], et al
- [A] EP 0421583 A1 19910410 - PLESSEY TELECOMM [GB]
- [A] DATABASE WPI Week 199133, Derwent World Patents Index; Class T01, AN 1991-244932, ANONYMOUS: "Software upgrade resume capability - provides technician with failing step number which is used to determine which steps have been completed and do not need repeating" & INTERNATIONAL TECHNOLOGY DISCLOSURE, no. 05, 25 July 1991 (1991-07-25)
Designated contracting state (EPC)
DE ES FR IT SE
DOCDB simple family (publication)
GB 2264575 A 19930901; GB 2264575 B 19950719; GB 9303702 D0 19930414; DE 69331503 D1 20020314; DE 69331503 T2 20020814; EP 0559369 A2 19930908; EP 0559369 A3 19950125; EP 0559369 B1 20020130; ES 2167324 T3 20020516; GB 9204300 D0 19920408; JP H0646130 A 19940218
DOCDB simple family (application)
GB 9303702 A 19930224; DE 69331503 T 19930224; EP 93301359 A 19930224; ES 93301359 T 19930224; GB 9204300 A 19920228; JP 6262093 A 19930226